login: panic: receive 1a: so 0xfffffd8064080190, so_type 3, m 0xfffffd8058c57d00, m_type 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *147572 76578 0 0 0 0 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821a1776) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd8064080190,0,ffff80001d382a18,0,0,ffff80001d382924) at soreceive+0x170a sys/kern/uipc_socket.c:977 soo_read(fffffd80643fb3c0,ffff80001d382a18,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d349758,6,ffff80001d382a18,0,ffff80001d382b00) at dofilereadv+0x1a1 sys/kern/sys_generic.c:236 sys_read(ffff80001d349758,ffff80001d382ab0,ffff80001d382b00) at sys_read+0x83 sys/kern/sys_generic.c:156 syscall(ffff80001d382b80) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd6300, count: 7 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic receive 1a: so 0xfffffd8064080190, so_type 3, m 0xfffffd8058c57d00, m_type 0 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821a1776) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd8064080190,0,ffff80001d382a18,0,0,ffff80001d382924) at soreceive+0x170a sys/kern/uipc_socket.c:977 soo_read(fffffd80643fb3c0,ffff80001d382a18,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d349758,6,ffff80001d382a18,0,ffff80001d382b00) at dofilereadv+0x1a1 sys/kern/sys_generic.c:236 sys_read(ffff80001d349758,ffff80001d382ab0,ffff80001d382b00) at sys_read+0x83 sys/kern/sys_generic.c:156 syscall(ffff80001d382b80) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd6300, count: -8 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d382760 rbx 0xffff80001d382810 rdx 0x2 rcx 0 rax 0 r8 0xffff80001d382720 r9 0x1 r10 0 r11 0x69724c2772b07274 r12 0x3000000008 r13 0xffff80001d382770 r14 0x100 r15 0x1 rip 0xffffffff815ab278 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d382750 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (dhclient) pid=147572 stat=onproc flags process=0 proc=0 pri=24, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80001d34a118,0xffff80001d3499d8 process=0xffff8000ffffb190 user=0xffff80001d37d000, vmspace=0xfffffd806bc09440 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 53632 48131 98970 0 2 0 syz-executor.1 53632 19111 98970 0 2 0x4000000 syz-executor.1 74722 210635 65751 0 2 0 syz-executor.0 74722 237905 65751 0 3 0x4000000 physio syz-executor.0 16738 416405 0 0 3 0x14200 bored sosplice 98970 469041 95239 0 2 0x482 syz-executor.1 65751 191798 95239 0 2 0x482 syz-executor.0 95239 312950 24242 0 3 0x82 thrsleep syz-fuzzer 95239 315422 24242 0 2 0x4000482 syz-fuzzer 95239 347555 24242 0 3 0x4000082 kqread syz-fuzzer 95239 471220 24242 0 3 0x4000082 thrsleep syz-fuzzer 95239 423840 24242 0 3 0x4000082 thrsleep syz-fuzzer 95239 296606 24242 0 3 0x4000082 thrsleep syz-fuzzer 95239 220682 24242 0 3 0x4000082 thrsleep syz-fuzzer 24242 209839 59757 0 3 0x10008a pause ksh 59757 46860 4242 0 3 0x92 select sshd 72751 465042 1 0 3 0x100083 ttyin getty 4242 9513 1 0 3 0x80 select sshd 52407 125918 77697 73 3 0x100090 kqread syslogd 77697 519412 1 0 3 0x100082 netio syslogd 59610 218829 1 77 2 0x100010 dhclient *76578 147572 1 0 7 0 dhclient 12340 279302 0 0 2 0x14200 zerothread 13755 70373 0 0 3 0x14200 aiodoned aiodoned 48549 494753 0 0 3 0x14200 syncer update 21274 4945 0 0 3 0x14200 cleaner cleaner 69157 522549 0 0 3 0x14200 reaper reaper 43613 263854 0 0 3 0x14200 pgdaemon pagedaemon 81293 231542 0 0 3 0x14200 bored crynlk 17646 179420 0 0 3 0x14200 bored crypto 57813 310466 0 0 3 0x40014200 acpi0 acpi0 31589 367721 0 0 3 0x14200 bored softnet 4417 193787 0 0 3 0x14200 bored systqmp 44622 470947 0 0 3 0x14200 bored systq 52209 256863 0 0 3 0x40014200 bored softclock 39773 476861 0 0 3 0x40014200 idle0 94660 218741 0 0 3 0x14200 bored smr 1 505437 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9469 6457K 6842K 78643K 10680 0 pcb 13 8K 8K 78643K 17 0 rtable 105 3K 3K 78643K 191 0 ifaddr 44 10K 10K 78643K 48 0 counters 21 16K 16K 78643K 21 0 ioctlops 0 0K 2K 78643K 19 0 iov 0 0K 12K 78643K 3 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1263 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 0K 0K 78643K 2 0 sem 4 0K 0K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 65 0 sigio 0 0K 0K 78643K 2 0 proc 48 38K 63K 78643K 359 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 4 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 182 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 102 21K 21K 78643K 988 0 UVM aobj 6 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 84 3008K 3072K 78643K 1945 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 65 0 57 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 186 0 186 1 0 1 1 0 8 1 tcpcb 544 18 0 14 1 0 1 1 0 8 0 inpcb 280 68 0 61 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 54 0 39 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 4 0 2 1 0 1 1 0 8 0 shmpl 112 8 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1466 0 65 46 0 46 46 0 8 0 ffsino 240 1466 0 65 83 0 83 83 0 8 0 nchpl 144 1746 0 132 60 0 60 60 0 8 0 uvmvnodes 72 1545 0 0 29 0 29 29 0 8 0 vnodes 208 1545 0 0 82 0 82 82 0 8 0 namei 1024 4259 0 4259 1 0 1 1 0 8 1 scxspl 192 4947 0 4946 1 0 1 1 0 8 0 plimitpl 152 18 0 11 1 0 1 1 0 8 0 sigapl 432 236 0 222 2 0 2 2 0 8 0 futexpl 56 1076 0 1076 1 0 1 1 0 8 1 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 104 4 0 2 1 0 1 1 0 8 0 pipelkpl 16 77 0 67 1 0 1 1 0 8 0 pipepl 120 154 0 135 1 0 1 1 0 8 0 fdescpl 432 237 0 222 2 0 2 2 0 8 0 filepl 120 1302 0 1204 4 0 4 4 0 8 1 lockfpl 104 35 0 34 1 0 1 1 0 8 0 lockfspl 48 12 0 11 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 80 0 73 1 0 1 1 0 8 0 zombiepl 144 222 0 222 1 0 1 1 0 8 1 processpl 896 252 0 222 4 0 4 4 0 8 0 procpl 624 306 0 268 4 0 4 4 0 8 0 sosppl 128 5 0 5 1 0 1 1 0 8 1 sockpl 400 152 0 135 5 0 5 5 0 8 3 mcl64k 65536 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 3 0 3 1 0 1 1 0 8 1 mcl4k 4096 12 0 12 2 1 1 1 0 8 1 mcl2k 2048 64266 0 64218 21 7 14 18 0 8 7 mtagpl 80 23 0 2 2 1 1 1 0 8 0 mbufpl 256 100873 0 100681 16 2 14 14 0 8 0 bufpl 280 4073 0 179 279 0 279 279 0 8 0 anonpl 16 36977 0 22320 60 1 59 59 0 107 0 amapchunkpl 152 1060 0 923 8 0 8 8 0 158 2 amappl16 192 978 0 182 40 0 40 40 0 8 0 amappl15 184 50 0 46 1 0 1 1 0 8 0 amappl14 176 25 0 23 1 0 1 1 0 8 0 amappl13 168 18 0 16 2 1 1 1 0 8 0 amappl12 160 22 0 19 1 0 1 1 0 8 0 amappl11 152 46 0 35 1 0 1 1 0 8 0 amappl10 144 12 0 10 1 0 1 1 0 8 0 amappl9 136 523 0 520 1 0 1 1 0 8 0 amappl8 128 102 0 85 1 0 1 1 0 8 0 amappl7 120 91 0 81 1 0 1 1 0 8 0 amappl6 112 50 0 46 1 0 1 1 0 8 0 amappl5 104 224 0 211 1 0 1 1 0 8 0 amappl4 96 435 0 404 1 0 1 1 0 8 0 amappl3 88 130 0 120 1 0 1 1 0 8 0 amappl2 80 1128 0 1050 3 0 3 3 0 8 1 amappl1 72 14019 0 13582 26 10 16 20 0 8 6 amappl 80 523 0 480 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 9 0 4 1 0 1 1 0 8 0 uaddrrnd 24 237 0 222 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 237 0 222 1 0 1 1 0 8 0 vmmpekpl 168 5788 0 5766 2 0 2 2 0 8 0 vmmpepl 168 36249 0 34260 112 7 105 105 0 357 18 vmsppl 272 236 0 222 2 0 2 2 0 8 1 pdppl 4096 480 0 444 6 0 6 6 0 8 1 pvpl 32 128713 0 111008 146 0 146 146 0 265 3 pmappl 200 236 0 222 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 163 0 12 5 0 5 5 0 8 0